TM 5-3805-262-20
3-30. ENGINE TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. ENGINE STALLS FREQUENTLY OR DOES NOT DEVELOP FULL POWER (Cont).
Step 10. (Cont).
b. If engine speed is not 2000 to
fuel or 1900 to 2000 rpm using
in engine. Go to step 11 below.
2100 rpm using number 2 Diesel
number 1 Diesel fuel, problem is
Step 11. Install transport/service link (page 9-8) if not already installed.
B e f o r e p e r f o r m i n g f o l l o w i n g , b e s u r e t h a t t r a n s p o r t / s e r v i c e l i n k is
e n g a g e d . F a i l u r e t o d o s o c o u l d c a u s e s e r i o u s i n j u r y o r d e a t h d u e to
chassis pivoting and crushing you when you are working in area between
front and
Step 12.
r e a r c h a s s i s .
A t l e f t f r o n t o f r e a r c h a s s i s, watch lever of parking brake mounted
on transmission .
Tell assistant to start engine, allow air pressure to build up, then
pull out parking brake valve knob to apply parking brake. Check that
parking brake lever moves.
Tell assistant to push in knob of parking brake valve to release
parking brake while you watch parking brake lever.
Check that parking brake lever moves.
a. If parking brake lever does not move, replace parking brake
chamber (page 7-8).
b. If parking brake lever moves, check parking brake
justment (page 7-17), then go to step 12 below.
Remove drive belt from air compressor (page 7-96).
Start engine, and check if engine power increases.
Turn off engine.
a. If engine power
(page 7-88).
b. If engine power
increases, remove and replace air
linkage ad-
compressor
does not increase, go to step 13 below.
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